CN209041794U - Hermetically sealed heat-insulated welding pressure composite steel tube - Google Patents
Hermetically sealed heat-insulated welding pressure composite steel tube Download PDFInfo
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- CN209041794U CN209041794U CN201820483736.2U CN201820483736U CN209041794U CN 209041794 U CN209041794 U CN 209041794U CN 201820483736 U CN201820483736 U CN 201820483736U CN 209041794 U CN209041794 U CN 209041794U
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- welded disc
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- tube body
- composite steel
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Abstract
The utility model proposes a kind of hermetically sealed heat-insulated welding pressure composite steel tube, the problem of flange connection is complicated, the scope of application is small, and welding manner is easily destroyed erosion shield, is solved in pipeline connecting mode in the prior art.Hermetically sealed heat-insulated welding pressure composite steel tube, comprising: tube body；Welded disc is connect with corrosionproof pipes body end portion；Heat dam is set in anticorrosion welded disc.The utility model has the beneficial effects that being equipped with welded disc, it directly will be after the welded disc docking on two different tube bodies in welding, it is welded in welding plate edge, when heat when welding is transferred to tube body by welded disc, its heat is largely soldered disk and absorbs and distribute rapidly, and temperature has already decreased to the range that corrosion-inhibiting coating can be born, while heat dam is additionally provided in welded disc, heat can be further decreased and be transferred to tube body from welded disc, and production cost is low.
Description
Technical field
The utility model relates to pipeline fields, particularly relate to a kind of hermetically sealed heat-insulated welding pressure composite steel tube.
Background technique
In the prior art, steel pipe voltage endurance capability is strong, but it is corrosion-resistant, abrasive resistance is poor.With the made rapid progress of China's economy,
Anticorrosion technique plays irreplaceable role in every field such as petroleum, electric power, chemical industry, environmental protection, pharmacy, as anticorrosion
Industry a branch --- pipeline anticorrosion plays increasingly important role in industrial or agricultural especially industrial circle.Anti-corrosion
Erosion steel pipe refer to by Anticorrosion measure working process, can effectively prevent or slow down transport with use process in occur chemistry or
The steel pipe of electrochemical reaction generation corrosion phenomenon.According to China's Statistical data, annual domestic pipe corrosion direct economy
Loss more than 2,800 hundred million, Present Global is every year because of up to 500,000,000,000 dollars of pipe corrosion loss.Anti-corrosive steel pipe can be effectively prevented
Or slow down the service life that corrosion extends steel pipe, reduce steel pipe operating cost.Existing anti-corrosive steel pipe is typically all in steel pipe
Grommet oxygen coating or polyethylene coating, outer wall are zinc coat.Anti-corrosive steel pipe (including polyethylene coating steel pipe, epoxy powder
Coating steel pipes) connection type mainly have traditional flanged joint and welding two ways.Flanged joint cost is high, and structure is more multiple
It is miscellaneous, and it is not suitable for field, because it is very easy to by artificial destruction.Welding manner is due to high pressure resistant, convenient, fast etc.
Advantage is always the first choice of each designing unit, construction team, but high temperature caused by welding is easily damaged erosion shield, base
In the corresponding settling mode of such case are as follows: section is protected in each reserved welding of pipe ends during anticorrosion, and pipeline is transported to and is applied
Work scene after welder welds, carries out preventing corrosion of repaired mouth erosion coating to the inner wall after welding by being manually entered pipeline, still
Such method there is limitations: 1, such technique be only applicable to caliber DN450 or more pipeline (DN450 or less personnel without
Method enters preventing corrosion of repaired mouth erosion inside pipeline)；2, dangerous property caliber is in DN450 the above persons entrance, due in pipeline
Wall is narrow, sluggish in air circulation, easily causes construction safety hidden danger.
Utility model content
The utility model proposes a kind of hermetically sealed heat-insulated welding pressure composite steel tubes, solve piping connection in the prior art
The problem of flanged joint cost is high in mode, structure is complicated, the scope of application is small, and welding manner is easily destroyed erosion shield.
The technical solution of the utility model is achieved in that
Hermetically sealed heat-insulated welding pressure composite steel tube, comprising:
Tube body；
Welded disc is connect with the tube body end；
Heat dam is set in the welded disc.
Further, the outer circumference surface of the welded disc is equipped with chamfering inclined-plane, the chamfering inclined-plane and the tube body
The angle of axis is 30 °~60 °.
Further, hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model, further includes:
Asbestos ring is set in the heat dam.
Further, hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model, further includes:
First seal groove is set in the welded disc, and the radius of first seal groove is less than the heat dam
Radius；
First sealing ring is set in first seal groove.
Further, hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model, further includes:
Second seal groove is set in the welded disc, and it is close that the radius of second seal groove is less than described first
The radius of seal slot；
Second sealing ring is set in second seal groove.
Further, hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model, the welded disc include with
First welded disc of tube body one end connection and the second welded disc being connect with the tube body other end, first welded disc
It is equipped with the first positioning device, second welded disc is equipped with the second positioning to match with first positioning device and fills
It sets.
Further, hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model, the tube body include first
Tube body and the second tube body, the welded disc include the first welded disc connecting with first tube body and connect with second tube body
The second welded disc connect, first welded disc are equipped with the first positioning device, and second welded disc is equipped with and described the
The second positioning device that one positioning device matches.
Preferably, first positioning device is positioning flange collar, and second positioning device is positioning groove.
Preferably, first positioning device is positioning column, and second positioning device is location hole.
The utility model has the following beneficial effects:
1, hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model is equipped with welded disc, direct in welding
It after the welded disc docking on two different tube bodies, is welded in welding plate edge, heat when welding passes through welded disc biography
When being handed to tube body, heat is largely soldered disk and absorbs and distribute rapidly, and temperature has already decreased to what corrosion-inhibiting coating can be born
Range, while heat dam is additionally provided in welded disc, heat can be further decreased from welded disc and be transferred to tube body, and be produced into
This is low.
2, hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model is equipped with asbestos ring in heat dam, can be with
Further absorb the heat being transferred in welded disc when welding.
3, hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model is equipped with seal groove and sealing ring, can
To improve the leakproofness of weld, content leaks in pipe are prevented.
4, hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model, both ends or different pipes in same tube body
The second positioning device that one end of body is equipped with the first positioning device and matches with the first positioning device, on the one hand can increase company
Fastness when connecing improves installation speed on the other hand it is also possible that positioning is rapider.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the hermetically sealed heat-insulated welding pressure composite steel tube of the utility model；
Fig. 2 is another structural schematic diagram of the hermetically sealed heat-insulated welding pressure composite steel tube of the utility model；
Fig. 3 is structural schematic diagram when the hermetically sealed heat-insulated welding pressure composite steel tube of the utility model welds；
Fig. 4 is another structural schematic diagram of the hermetically sealed heat-insulated welding pressure composite steel tube of the utility model；
Fig. 5 is another structural schematic diagram when the hermetically sealed heat-insulated welding pressure composite steel tube of the utility model welds；
Fig. 6 is another structural schematic diagram of the hermetically sealed heat-insulated welding pressure composite steel tube of the utility model；
Fig. 7 is another structural schematic diagram of the hermetically sealed heat-insulated welding pressure composite steel tube of the utility model.
In figure:
1, tube body；2, welded disc；3, heat dam；4, chamfering inclined-plane；5, asbestos ring；6, the first seal groove；7, first is close
Seal；8, the second seal groove；9, the second sealing ring；10, the first welded disc；11, the second welded disc；12, the first positioning device；
13, the second positioning device；14, the first tube body；15, the second tube body；16, heat conducting pipe is welded.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in figs. 1-7, hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model, comprising:
Tube body 1；
Welded disc 2 is connect with 1 end of tube body；
Heat dam 3 is set in welded disc 2.
Hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model is equipped with welded disc 2, directly will in welding
It after welded disc 2 on two different tube bodies 1 is docked, is welded at 2 edge of welded disc, heat when welding passes through welded disc 2
When being transferred to tube body 1, heat is largely soldered disk 2 and absorbs and distribute rapidly, and temperature has already decreased to corrosion-inhibiting coating and can hold
The range received, while heat dam 3 is additionally provided in welded disc 2, heat can be further decreased from welded disc 2 and be transferred to tube body 1.
Hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model is set on the outer circumference surface of the welded disc 2
There is chamfering inclined-plane 4, chamfering inclined-plane 4 and the angle of the axis of tube body 1 are 30 °~60 °.Certainly, chamfering inclined-plane 4 can also be chamfering
Arc surface, main function are: when welding splicing, forming the space for placing, filling solder.
Wherein, the angle on the chamfering inclined-plane 4 and the axis of tube body 1 is to be specifically as follows 30 °, 45 ° or 60 °, wherein excellent
45 ° are selected as, because placement, the amount of solder of filling are suitable when welding, and contact area is suitable after welding, than stronger.
Hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model, further includes:
Asbestos ring 5 is set in heat dam 3.
Hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model is equipped with asbestos ring 5 in heat dam 3, can be with
Further absorb the heat being transferred in welded disc 2 when welding.
Hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model, further includes:
First seal groove 6, is set in welded disc 2, and the radius of the first seal groove 6 is less than the radius of heat dam 3；
First sealing ring 7 is set in the first seal groove 6.
Hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model, further includes:
Second seal groove 8, is set in welded disc 2, and the radius of the second seal groove 8 is less than the first seal groove 6
Radius；
Second sealing ring 9 is set in the second seal groove 8.
Hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model is equipped with seal groove and sealing ring, can be with
The leakproofness for improving weld, prevents content leaks in pipe.Two seals are especially set, and sealing reliability increases
By force.
As shown in figure 4, hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model, the welded disc 2 include
The first welded disc 10 being connect with 1 one end of tube body and the second welded disc 11 being connect with 1 other end of tube body, in the first welded disc 10
Equipped with the first positioning device 12, the second welded disc 11 is equipped with the second positioning device 13 to match with the first positioning device 12.
That is the embodiment of hermetically sealed heat-insulated welding pressure composite steel tube shown in Fig. 4 is that welded disc is arranged at same 1 both ends of tube body,
The first positioning device 12 and the second positioning device 13 are respectively set in two welded discs, this kind of situation is suitable for the pipe of long range
Road connection, to realize that multiple steel-plastics composite pipes mutually splice.
As shown in figure 5, hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model, the tube body 1 includes the
One tube body 14 and the second tube body 15, welded disc 2 include the first welded disc 10 being connect with the first tube body 14 and with the second tube body 15
Second welded disc 11 of connection, the first welded disc 10 are equipped with the first positioning device 12, and the second welded disc 11 is equipped with and first
The second positioning device 13 that positioning device 12 matches.That is the reality of hermetically sealed heat-insulated welding pressure composite steel tube shown in Fig. 5
Example is applied, is that welded disc is set on two different tube bodies 1, i.e., the first welded disc 10, the first weldering is set in 14 one end of the first tube body
It connects and the first positioning device 12 is set on disk 10；Second welded disc 11 is set on second tube body, 15 one end, is set in the second welded disc 11
The second positioning device 13 is set, this kind of situation is suitable for short-range piping connection, only realizes that two steel-plastics composite pipes mutually splice.
Wherein it is preferred to which first positioning device 12 is positioning flange collar, the second positioning device 13 is positioning groove.
Wherein it is preferred to which first positioning device 12 is positioning column, the second positioning device 13 is location hole.
As shown in fig. 6, hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model, further includes:
Heat conducting pipe 16 is welded, is set on 1 inner wall of end of tube body.
The welding heat conducting pipe 16 is stainless steel tube, and length is 10~15cm.
Wherein, as shown in fig. 7, welding heat conducting pipe 16 be set to one end tube body 1 inside can be even surface or arc surface,
It is accumulated here to avoid the substance in pipeline and forms blocking.
Hermetically sealed heat-insulated welding pressure composite steel tube described in the utility model, is that welded disc 2 is first welded on tube body 1
On, 1 plastic-coated of tube body after processing is completed, the welding groove formed in welding welded disc 2 by chamfering inclined-plane 4 when connection, and every
Filling asbestos ring 5 completely cuts off heat and welded disc 2 itself heat absorption and heat dissipation in heat channel 3, by a variety of sinking paths, to avoid welding
Destruction of the high temperature to pipeline coatings achieve the purpose that not damage pipe internal coating, guarantees the whole of inside coating after pipeline connection
Weight avoids inner wall of the pipe corrosion-inhibiting coating from soldering opening Peeling Corrosion, influences pipeline and use quality and service life.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (8)
1. hermetically sealed heat-insulated welding pressure composite steel tube characterized by comprising
Tube body (1)；
Welded disc (2) is connect with the tube body (1) end, and the welded disc (2) includes connecting with the tube body (1) one end
First welded disc (10) and the second welded disc (11) being connect with the tube body (1) other end, on first welded disc (10)
Equipped with the first positioning device (12), second welded disc (11) is equipped with the to match with first positioning device (12)
Two positioning devices (13)；
Heat dam (3) is set on the welded disc (2).
2. hermetically sealed heat-insulated welding pressure composite steel tube according to claim 1, which is characterized in that the welded disc (2)
Outer circumference surface be equipped with chamfering inclined-plane (4), the angle of the axis of the chamfering inclined-plane (4) and the tube body (1) is 30 °~
60°。
3. hermetically sealed heat-insulated welding pressure composite steel tube according to claim 1, which is characterized in that further include:
Asbestos ring (5) is set in the heat dam (3).
4. hermetically sealed heat-insulated welding pressure composite steel tube according to claim 1, which is characterized in that further include:
First seal groove (6) is set on the welded disc (2), the radius of first seal groove (6) be less than it is described every
The radius of heat channel (3)；
First sealing ring (7) is set in first seal groove (6).
5. hermetically sealed heat-insulated welding pressure composite steel tube according to claim 4, which is characterized in that further include:
Second seal groove (8) is set on the welded disc (2), and the radius of second seal groove (8) is less than described the
The radius of one seal groove (6)；
Second sealing ring (9) is set in second seal groove (8).
6. hermetically sealed heat-insulated welding pressure composite steel tube according to claim 1, which is characterized in that tube body (1) packet
The first tube body (14) and the second tube body (15) are included, the welded disc (2) includes the first weldering connecting with first tube body (14)
The second welded disc (11) for connecing disk (10) and being connect with second tube body (15).
7. hermetically sealed heat-insulated welding pressure composite steel tube according to claim 6, which is characterized in that the first positioning dress
(12) are set as positioning flange collar, second positioning device (13) is positioning groove.
8. hermetically sealed heat-insulated welding pressure composite steel tube according to claim 6, which is characterized in that the first positioning dress
Setting (12) is positioning column, and second positioning device (13) is location hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820483736.2U CN209041794U (en) | 2018-04-08 | 2018-04-08 | Hermetically sealed heat-insulated welding pressure composite steel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820483736.2U CN209041794U (en) | 2018-04-08 | 2018-04-08 | Hermetically sealed heat-insulated welding pressure composite steel tube |
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| Publication Number | Publication Date |
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| CN209041794U true CN209041794U (en) | 2019-06-28 |
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| CN201820483736.2U Active CN209041794U (en) | 2018-04-08 | 2018-04-08 | Hermetically sealed heat-insulated welding pressure composite steel tube |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320631A (en) * | 2019-07-02 | 2019-10-11 | 宁波为森智能传感技术有限公司 | A kind of lens module |
| CN112377681A (en) * | 2020-11-16 | 2021-02-19 | 席赫 | Wear-resistant oil delivery pipe |
| CN114623295A (en) * | 2022-04-01 | 2022-06-14 | 宁波汇洲生态建设有限公司 | Connecting structure of water supply pipeline and construction method thereof |
-
2018
- 2018-04-08 CN CN201820483736.2U patent/CN209041794U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110320631A (en) * | 2019-07-02 | 2019-10-11 | 宁波为森智能传感技术有限公司 | A kind of lens module |
| CN112377681A (en) * | 2020-11-16 | 2021-02-19 | 席赫 | Wear-resistant oil delivery pipe |
| CN112377681B (en) * | 2020-11-16 | 2021-12-07 | 席赫 | Wear-resistant oil delivery pipe |
| CN114623295A (en) * | 2022-04-01 | 2022-06-14 | 宁波汇洲生态建设有限公司 | Connecting structure of water supply pipeline and construction method thereof |
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